Relationship of colonial morphology to virulence for chickens of Mycobacterium avium and the nonphotochromogens.
D000818:Animals; D001431:Bacteriological Techniques; D066298:In Vitro Techniques; D009161:Mycobacterium / Q000472:pathogenicity*; D011200:Poultry; D014379:Tuberculosis, Avian; D014774:Virulence